Vulnerability DatabaseCVE-2021-32574
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CVE-2021-32574
Published:July 17, 2021
Updated:September 21, 2026
HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.
Affected Packages
github.com/hashicorp/consul (GO):
Affected version(s) >=b15301db789cec43acd1c3070afe6110ff91e32a <v1.10.1
Fix Suggestion:
Update to version v1.10.1
Related Resources (6)
https://www.hashicorp.com/blog/category/consul
https://github.com/advisories/GHSA-25gf-8qrr-g78r
https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856
https://github.com/hashicorp/consul/releases/tag/v1.10.1
https://security.gentoo.org/glsa/202208-09
https://nvd.nist.gov/vuln/detail/CVE-2021-32574
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Certificate Validation
CWE-295
EPSS
Base Score:
1.46